84 STAT. ]
PUBLIC LAW 91-476-OCT. 21, 1970
amount at least equal to the difference in value assuring that additional lands acceptable to the Secretary and at least equal to the difference in value will be conveyed to the Government within a time certain to be specified by the Secretary. (C) If the public lands offered in exchange for non-Federal lands or interests in non-Federal lands have a value at least equal to tw o-thirds of the value of the non-Federal lands, the exchange may be completed upon payment by the Secretary of the difference in value. (D) Either party to an exchange under this Act may reserve minerals, easements, or rights of use either for its own benefit, for the benefit of third parties, or for the benefit of the general ublic. Any such reservation, whether in lands conveyed to or y the United States, shall be subject to such reasonable conditions respecting ingress and egress and the use of the surface of the land as may be deemed necessary by the Secretary. When minerals are reserved in a conveyance by the United States, any person who prospects for or acquires the right to mine and remove the reserved mineral deposits shall be liable to the surface owners according to their respective interests for any actual damage to the surface or to the improvements thereon resulting from prospecting, entering, or mining operations; and such person shall, prior to entering, either obtain the surface owner's written consent, or file with the Secretary a good and sufficient bond or undertaking to the United States in an amount acceptable to the Secretary for the use and benefit of the surface owner to secure payment of such damages as may be determined in an action brought on the bond or undertaking in a court of competent jurisdiction. (4) in the exercise of his authority to purchase lands under this Act to pay for any such purchased lands their fair market value, as determined by the Secretary, who may, in his discretion, base his determination on an independent appraisal obtained by him. (5) to identify the appropriate public uses of all of the public lands and interests therein within the Area. Disposition of the public lands within the Area, or any of the lands subsequently acquired as part of the area, is prohibited, and the lands in the Area described in section 9 of this Act are hereby withdrawn from all forms of entry, selection, or location under existing or subsequent law, except as provided in section 6 of this Act. Notwithstanding any provision of this section, the Secretary may (A) exchange public lands or interests therein within the area for privately owned lands or interests therein also located within the area, and (B) issue leases, licenses, contracts, or permits as provided by other laws(6) to construct or cause to be constructed and to operate and maintain such roads, trails, and other access and recreational facilities in the area as the Secretary deems necessary and desirable for the proper protection, utilization, and development of the area. (7) to reforest and revegetate such lands within the area and install such soil- and water-conserving works and practices to reduce erosion and improve forage and timber capacity as the Secretary deems necessary and desirable. (8) to enter into such cooperative arrangements with the State of California, local governmental agencies, and nonprofit organizations as the Secretary deems necessary or desirable concerning but not limited to installation, construction, maintenance, and
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